查询词典 wind tunnel

The application of smoothwall blasting in crushed surrounding rock of No.2 tunnel with crushed surrounding rock has obtained more satisfactory results through selecting rational blasting parameters,adopting right supporting method and controlling the overbreak or underbreak of the tunnel effectively,etc.

文摘：在周家山2号隧道破碎围岩施工中，应用光面爆破技术，通过选择合理的爆破参数，正确的支护施工方法，有效地控制隧道的超欠挖，加快掘进速度，取得了较理想的效果。

2Combined with dense-constructed area of Shiqiaotou tunnel, a series of factors that lead to ground deformation and affect the stability of ground buildings are systematically analyzed.These factors include overbreak in shallow tunnel, reserved deformation and soil squeezing.By calculation and analysis of ground deformation of other sections,a division of settlement controling grade is made.

2以石桥头隧道地表变形重点控制地段为例，对浅埋隧道超挖、预留变形量、掌子面土体挤出等地层损失诱发的地表变形及其对地面建筑稳定性的影响进行了系统地计算和分析；通过地表变形的计算分析，对隧道不同地段的地表变形控制等级进行了划分。

Dabieshan mountainous area belongs to non-metamorphic petrographical region, and it is the first time for tunnel fire in the history of railway construction, which puts forward a new subject for the construction of gas tunnel in passenger dedicated line.

大别山区系非变质岩区，隧道着火为铁路施工史上的首次，给客运专线瓦斯隧道施工提出了新课题。

Underground PuNan section of Wucunshan Tunnel in Phase I project of Xiamen Airport Road construction is a typical example in China because of its large span shallow underground tunnel located just below concentrated urban architectural complex.

厦门市机场路一期工程梧村山隧道下穿浦南段是国内罕见的下穿密集建筑群的城市浅埋大跨连拱隧道，开挖跨度达34 m，围岩以Ⅵ级围岩为主，埋深仅10~30 m，地下水埋深2~4 m。

Therefore, to study the reconsolidation of disturbed soil and its influence on metro tunnel is very useful for controlling the disturbance of construction and the deformation of metro tunnel.

因此，研究扰动土体再固结及其对地铁隧道的影响，对于控制地下工程施工扰动和地铁隧道变形是很有用的。

For the tunnel built in soft soil, it would deform along with the reconsolidation of disturbed soil, and the structure of tunnel and the operation of metro would be endangered.

对于软土地区的地铁隧道来说，下卧扰动土体的再固结使隧道随之产生变形，从而危及隧道结构和地铁运营的安全。

With the rapid development of highway,the big section highway tunnel takes a new step forward,which promotes more advanced challenges and requestion to tunnel's design and construction technique.

随着高速公路的迅速发展，大断面公路隧道也跨上了一个新台阶，相应地对隧道设计和施工技术也提出了更高的挑战和要求。

To ensure human body's health, sanitation in driving vehicles crossing the tunnels as well as operation safety of tunnels, the present study take a highway tunnel(620m) as an example, combined with the data analyse of highway tunnel intelligent monitoring system to advance a discharge standard of NO2 concentration in highway tunnels and revelant ventilation solution.

为了保证城市公路隧道行驶机动车内人的健康、卫生和隧道的营运安全，本文以某隧道(620米)工程为例，结合隧道智能监控系统数据的分析，提出了在城市公路隧道内二氧化氮浓度的排放标准，并且提出了相应的通风方案。

Study on the bore sequence planning of tunnel-rock-drilling robot is the prerequisite step to robotize rock-drilling equipment, as well as the embodiment of intellectualized tunnel-rock-drilling robot.

凿岩机器人孔序规划的研究是实现凿岩设备机器人化的关键环节，也是凿岩机器人智能化的重要体现。

Methods There were 12 cases, 10 of them were corpse specimens, the other 2 were clinic cases. Firstly we dissociate the contralateral C7 root from the intervertebral foramen to its divisions, secondly we set up a tunnel between the cone and the anterior scalenus, thirdly we moved the C7 root to the gap between the thyroid and the opposite carotid theca through the mentioned tunnel, then we dissociate the injured brachial plexus extensively, lastly we anastomose the contralateral C7 and the injured inferior trunk.

尸解10例，临床应用2例，将健侧颈7神经近端游离至神经根孔，远端游离至前后股处，于前斜角肌后椎体前建立通道，将健侧颈7神经引导至患侧颈血管鞘和甲状腺间隙处，然后患侧行下干、内侧束、尺神经、及正中神经内侧头广泛游离，患侧屈肘屈肩关节后，将健侧颈7神经直接与患侧下干无张力下吻合。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"